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Date:      Fri, 01 Nov 2024 12:31:39 -0400
From:      "Dan Langille" <dan@langille.org>
To:        "John Levine" <johnl@iecc.com>, "RW via freebsd-questions" <freebsd-questions@freebsd.org>
Cc:        dale@dalescott.net
Subject:   Re: dma: could not pick up queue file
Message-ID:  <e8f0f723-3aea-4f89-8f8f-f40def956d3c@app.fastmail.com>
In-Reply-To: <382f9b53-0d5e-0fd3-5d9f-9d1a8954dd5b@iecc.com>
References:  <685d00e3-bacb-45cd-a166-40c6a484347e@app.fastmail.com> <22042f18-4cbb-4f62-841b-fef4a7262899@app.fastmail.com> <1c49d4a22aefd22541a526d387912eb3@dalescott.net> <20241031225337.288E8A4F1F81@ary.qy> <c3f2a459-5d9a-4ddf-acaf-9677bc252c5e@app.fastmail.com> <382f9b53-0d5e-0fd3-5d9f-9d1a8954dd5b@iecc.com>

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On Fri, Nov 1, 2024, at 9:23 AM, John R. Levine wrote:
> On Fri, 1 Nov 2024, Dan Langille wrote:
>> This event occurred today.  These logs are slightly amended to obscure host names and email and IP addresses.
>>
>> Nov  1 00:00:10 wikis newsyslog[46335]: logfile turned over
>> Nov  1 03:05:42 wikis dma[46d60][90243]: new mail from user=root uid=26 envelope_from=<root@wikis.[redacted]>
>> Nov  1 03:05:42 wikis dma[dma][90258]: could not pick up queue file: `/var/spool/dma/Q46d60.432a50848050'/`/var/spool/dma/M46d60.432a50848050': No such file or directory
>> Nov  1 03:05:42 wikis dma[46d60][90243]: mail to=<dan@example.org> queued as 46d60.432a50848050
>> Nov  1 03:05:42 wikis dma[46d60.432a50848050][90243]: <dan@example.org> trying delivery
>> Nov  1 03:05:42 wikis dma[46d60.432a50848050][90269]: using smarthost (tallboy.[redacted]:25)
>> Nov  1 03:05:42 wikis dma[46d60.432a50848050][90269]: trying remote delivery to tallboy.[redacted] [10.0.0.1] pref 0
>> Nov  1 03:05:42 wikis dma[46d60.432a50848050][90269]: <dan@example.org> delivery successful
>> Nov  1 03:46:21 wikis dma[46d47][96425]: new mail from user=root uid=26 envelope_from=<root@wikis.[redacted]>
>
> Look again.  The failure was PID 90258 which I assume is the daemon, not 
> 90243 which is the program sending the message.  This suggests it is 
> indeed a harmless race condition.
>
> In my experience, the initial delivery always succeeds and it never 
> queues, so running the queue daemon once a day just in case should be 
> plenty.

Is this queue daemon sitting around waiting to do something? Where did it come from?

[16:30 wikis dvl ~] % sudo ps auwwx | grep dma
dvl    66535  0.0  0.1 12808  2376  1  S+J  16:30   0:00.00 grep dma

It's not there. So where did it come from?

-- 
  Dan Langille
  dan@langille.org



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